Swegon COMPACT Unit - Page 52

GB.COMPACTUT.170622
Registered design. The company reserves the right to make design changes without prior notice.
52 www.swegon.com
Alarm no.
Alarm text
Function
Priority Stop Indication
LED
Delay Resetting
0=blocked 0=In operat. 0=Off s=seconds M=manual
A=A alarm 1=Stop 1=On m=minutes A=automatic
B=B alarm
59
60
NO COMM. SA DUCT PRESSURE SENSOR
NO COMM. EA DUCT PRESSURE SENSOR
The air handling unit’s control unit cannot establish
correct communication with the pressure transducer
connected in the supply/extract air ducting.
Applicable to SA /EA pressure regulation only.
A ***
A ***
1
1
1
1
10 s
10 s
A
A
61
NO COMM. R.HX. PRESSURE SENSOR
The air handling unit’s control unit cannot establish
correct communication with the pressure transducer
connected for the heat exchanger.
Applicable to the defrosting function only.
B *** 0 1 10 s A
62-71
NO COMMUNICATION TO I/O-MODUL NR 1–9
The air handling unit’s control unit cannot establish
correct communication with the connected I/O
module 1–9
B *** 0 1 3 s A
72
Correct communication can be established between
the CPU circuit card and the control unit*s I/O
processor.
A 1 1 30 s A
83
SA PREFILTER FOULED
The pressure across the supply air prefilter has con-
stantly exceeded the preset alarm limit for 0 minutes.
B *** 0 1 600 s M
84
EA PREFILTER FOULED
The pressure across the extract air prefilter has con-
stantly exceeded the preset alarm limit for 0 minutes.
B *** 0 1 600 s M
85
COOLING OUTPUT 1 TRIPPED
Broken signal is obtained at D11 for I/0-module 6.
Motor protection or pressure switch may have trip-
ped.
A 0 1 3 s M
86
COOLING OUTPUT 2 TRIPPED
Broken signal is obtained at DI2 for I/0-module 6.
The motor protection or pressure switch may have
tripped.
A 0 1 3 s M
89
NO COMM. SA PREFILTER PRESS. SENSOR
The air handling unit’s control unit cannot establish
correct communication with supply air prefilter pres-
sure sensor.
B*** 0 1 10 s A
90
NO COMM. EA PREFILTER PRESS. SENSOR
The air handling unit’s control unit cannot establish
correct communication with extract air prefilter pres-
sure sensor.
B*** 0 1 10 s A
91
FROST PROTECTION, PREHEATING, BELOW ALARM LIMIT
The sensor for the frost protection monitor, prehea-
ting, has measured a temperature lower than the
preset temperature. Factory setting: 7 °C.
A 1 1 3 s M
92
FROST PROTECTION PREHEATING SENSOR DEFECTIVE
The sensor for the frosting protection monitor, pre-
heating, is lacking, is not connected or is faulty, if an
air heater for hot water is connected.
A 1 1 3 s A
93
PREHEATING SENSOR DEFECTIVE
The sensor for preheating is lacking, is not connected
or is faulty, if an air heater for hot water is connec-
ted.
A 1 1 3 s A
*** Blocked if the hand terminal does not display the main menu.